function histchange( o )
{
	var v = o.options[o.selectedIndex].value;
	
	if( v == 0 ) return;
	if( v < 0 ) v = '';
	else v = '/' + v;
	document.location = '/desafionews' + v + '/index.html';
}

function pesq( num, frm )
{
	var i, len = frm.opts.length;
	
	for( i = 0 ; i < len ; i++ )
		if( frm.opts[i].checked )
		{
			makeHttpRequest( '/cgi-bin/desafionews/desafionews_pesquisa.cgi?p='+ num + '&opts=' + i + '&r=' + Math.random(), 'result', document.getElementById('pesquisa'), 0 );
			setCookie( 'p_' + num, 1 );
			return false;
		}

	alert( 'Selecione uma opiniao para votar' );
	return false;
}	

var win = null;
function abre( url, w, h )
{
	rnd = 'abra' + Math.floor(Math.random()*1000);
	if( win != null  )win.close();
	win = window.open( url,rnd,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=' + w + ',height=' + h + ',screenx=50,screeny=10,top=10,left=10');
}

function show(idx) 
{
	var div = document.getElementById('div'+idx);
	var lnk = document.getElementById('lnk'+idx);
	var i;
	
	if( div.style.display == 'none' )
	{
		for( i = 1 ; i <= 4 ; i++ )
			hide( i );
		div.style.display = 'block';
		lnk.innerHTML = '';
	}
}

function hide(idx) {
	var div = document.getElementById('div'+idx);
	var lnk = document.getElementById('lnk'+idx);
	var i;
	
	if( div.style.display == 'block' )
	{
		div.style.display = 'none';
		lnk.innerHTML = '[+] Mais';
	}
}